In a machine-vision system, a camera lens serves one purpose: It gathers light and focuses an image on the camera's sensor. Thus, vision-system designers must treat lenses as key elements in ...

The observable view through a camera lens and the scene that winds up in the photo. A wide angle lens (short focal length) delivers a wide field of view (FOV). A telephoto lens (long focal length) ...

Field of view (FOV) is defined as the maximum area that a device can capture. The larger the field of view, the more data can be captured at one time, so it will require fewer images to capture an ...